Home / 120,526,340.91-166,319,287.52-65,521,716.27

Finding the Fourth Proportional to 120,526,340.91, 166,319,287.52 and 65,521,716.27

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Solution

The fourth proportional to 120,526,340.91, 166,319,287.52 and 65,521,716.27 is: 90,416,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,526,340.91 : 166,319,287.52 = 65,521,716.27 : x
  2. Step 2: Convert to fraction form
    120,526,340.91/166,319,287.52 = 65,521,716.27/x
  3. Step 3: Cross multiply
    120,526,340.91x = 166,319,287.52 × 65,521,716.27
  4. Step 4: Simplify right side
    120,526,340.91x = 10,897,525,166,786,382
  5. Step 5: Solve for x
    x = 10,897,525,166,786,382/120,526,340.91
  6. Step 6: Final answer
    x = 90,416,128.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.